<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
    <style>

        .kuang>div{
            background-color: aqua;
            border: 1px solid black;
            border-radius: 20%;
        }
        .kuang{
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 10px;
            height: 500px;
            width:900px;
        }
        .a{
            grid-column: 1/3;
            grid-row: 1/3;
        }
        .c{
            grid-column: 3/4;
            grid-row: 2/4;    
        }
    </style>
<body>
    <div class="kuang">

        <div class="a"> one</div>
        <div class="b"> two</div>
        <div class="c"> three</div>
        <div class="d"> four</div>
        <div class="e">five</div>

    </div>
</body>
</html>